I was all set to talk about how this huge bubble — over 300 light years across! — is being blown into the gas surrounding the cluster by the combined mighty winds of the stars inside it, young massive stars that live short, violent lives that end in short, violent deaths, and how this will compress the gas further and induce even more star formation, but how in the meantime they’re flooding the gas with powerful ultraviolet radiation that’s lighting up the gas precisely like a neon sign, and how amazingly detailed this image is despite the cluster and gas being in another galaxy at a distance of nearly 2 quintillion kilometers…